# SDR AALA202111098531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2021
- Submitted: November 9, 2021
- Operation: Air carrier
- Aircraft: [N174US](https://openairdocs.org/aircraft/N174US), registered now
- Make and model: Airbus A300*
- Aircraft serial: 1492
- Aircraft time: 67,962 hours, 25,787 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145510
- Part serial: 2158
- Condition: Failed
- Location: Zone 200 - Fuse
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202111098531

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHT CHECK FAILED ON PTP PANEL. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT 15WL.

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